It finds flashing at draining ditch and rain water opining. It can begin leveling with trowel after screeding.

在排水沟、雨水口处找出泛水，冲筋后即可进行抹找平层。

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It finds flashing at draining ditch and rain water opining. It can begin leveling with trowel after screeding.

在排水沟、雨水口处找出泛水，冲筋后即可进行抹找平层。

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